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API TCI tricone rock bit IADC417 6″ (152mm) yo gucukura ikinogo gikomeye
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IADC437 12 1/4″ (311mm) yo gucukura amariba
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API Rotary roller drill bit IADC517 ifite santimetero 114 (1.5 mm) mu bubiko
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Akabuto ka IADC517 118mm ko gucukura amabuye mu masoko y'isi.
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Uruganda rwa API rukora icyuma gihindura imirasire (rotary roller bit) IADC517 4 3/4″ (120mm)
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Tungsten Carbide Insert stone drilling bit IADC517 5 7/8″ (149mm)
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API Well drilling tricone bit IADC517 6″ (152.4mm) iragurishwa
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IADC517 7 1/2″ (190mm) ya TCI tricone
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API Tricone Bit IADC517 santimetero 8.5 (215.90mm)
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API Tricone drilling bit IADC517 ifite santimetero 222 (8 3/4 inches) iri mu bubiko
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IADC517 11 5/8″ (295mm)
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IADC517 ifite icyuma gihindura imiterere ya tricone bit 12 1/4″ (311mm)